12. It can be a hazard when walking

Getty Images

We all know that walking around town with your face in your phone can be dangerous, and there are studies that underline the point.

City pedestrians using their phones looked left and right less often and were more likely to be hit by a vehicle, according to a review of studies on distracted walking in the Journal of Traffic and Transportation Engineering.

In another small experiment, 94 percent of pedestrians who were using mobile phones to talk and text didn’t see free cash hanging from a tree. (That’s right, they walked right by a bunch of dollar bills.)

13. It’s not easy to put down

Getty Images

It would be easy to avoid all these maladies by simply putting down your phone. The problem: it isn’t so easy.

That twinge of phone separation anxiety is real. In fact, Rosen says, detaching from your phone can cause your brain to release the stress hormone cortisol.

Of course, there are many phone apps (with calming names, such as Forest and Mute) to help you control your phone addiction.